Sign



FIG. 1 is a top, left, front perspective view of a sign showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

The subject matter shown in broken line represents unclaimed environmental structure which is shown for illustrative purposes and forms no part of the claimed design. 

The ornamental design for a sign, as shown and described. 